Spindle.



H. L. BROWN. sPlNDLE.

APPLICATION FILED NOV. 30| 1910.

1,149,719. Patend Aug. 10, 1915.

3 SHEETS-SHEET 1.

coLuMmA PLANOGRAPH co..\vAsHlNuToN, D. c.

H. L. BROWN.

`SPINDLE.

APPLICATION FILED NOV.30| 1910. I

1,149,'719. PadAug. 10,1915.

3 SHEETS-SHEET 2.

H. L. BROWN.

SPINDLE.

APPLICATION FlLED NOV.30, 1910.

1 1 49,7 1 9 Patented Aug. 10, 1915.

3 SHEETS-SHEET 3.

ficLuMmA PLANOGRAPH CD..WASH|NOTDN. D. cA

s TED s'rA'rEs PATENT orri 'HENRY L. BROWN, or NEW YORK, N. Y., AssIGNon ro BROWN sr'iNlWniGi-Ir COMPANY, or NEW YORK, N. Y., A oonrOnATIoN OF NEW YORK.

SPINDLE. i

Specfication of Letters Patent.

Patented Aug. 10, 1915.

Original application filed January 6, 1910, Serial No. 536,681. Divided and this application filed November 30, 1910. ,Serial No. 594,960.

To aZZ whom it may concem Be it known that I, HENRY L. BROWN, of New York, N. Y., have invented certain Improvements in Spindles, of which the following description, in connection with the accompanying drawings, is a specifica-` portant object of my invention being to provide improved mechanism for driving devices such as spindles posltively, using preferably an apertured metallic drivlng band in combination with a gear having helical teeth,l in accordance` with, the inv'ention forming the subject matter of my applica-v tion for United States Letters Patent Serial- No. 536,681, filed January, 6, ,1910,1 from which this present application has been divided.

v Another important ,obj ect of my invention is the provision of an improved coupling devicel for connection of the spindle e. the rotating blade, shellor similar lmember which receives the material to be treated) with the rotatable actuating memberdriven by the band, and for this purpose I provide connectors preferablycomprising fieX'ible devices of a prong-like Character extending:

between the rotatable members, and which may conveniently be mounted to form 'a unitary structure with one of Said members,

being presented thereby in position to enter the material of, or be engaged with, the other` member removably, so that the members maybe readilyseparated when desired. This coupling is of general utility for the connection of spindles and their whirls, using that term broadly for the designation of the part of the spindle which receives the driving motion to be communicated to the spindle proper, the term whirl beingv used without any limited technical signification, and the coupling is of particular utility in connection with the helical gear to which reference has already beensmade.

Among other objects of notable importance provided for by my improved prong coupling device, may be ment ioned the construction and arrangement of the same in sucha manner as to promote the flexibility of the spindle as a whole, permitting the blade to locate itself for rotation about an aXiS other than the normal, and also to accommodate certain nutative and gyratory aberrations of the spindle under the infiuence of such adventitious disturbing factorsV as blows or knocks by the operator, asym-v metrcal winding on of the load, or thetremors whlch frequently run over a frame on the occasion of a disturbance at any part thereof; also, to obviate one fruitful sourcev of such disturbances by permitting a limited play of the whirl or gear along the aXis of the spindle, without interfering with corotation of the whirl and spindle blade in coupled relation; and Still further to provide for the initiation of the co-rotative action, by a frictional engagement between portions of the spindle blade and whirl automatically whenV the blade is introduced toV the bolster, eventuatingin positive engagement as'the speed ofthe blade approaches,

that of the whirl, this provision permitting continuous rotation of the whirl, if desired, in' the absence of the blade, it being usually more convenient to permit the whirl to continue its rotation, independently of the spindle blade, when actuated positively by a band of my improved type, at speeds approximating 10,000 turns a minute.`

When provision is made for such frictional initiation of the co-rotative engagement of the blade and,whirl, I prefer `to provide one of these members with a wearplate of suitable material such as hardened metal, which may conveniently be Stamped or cut out in the form of an annulus, and may be provided with apertures or recesses to be entered by the prongs'constituting my preferred form of coupling device, the latter being preferably of resilient material to give slightly under the torque arising at the-initial engagementof a blade 'at rest with Va Whirl rotating atl high Speed;

An object of very notable importance is eol the construction and arrangement of the bearings between the gear or Whirl of my improved type, and the bolster, (using that term broadly to designate the spindle member which supports the blade and whirl for co-rotation,) so that my improvements may be embodied readily in existing spindle structures :without necessitating the abandonment of the 'many millions ofspindles now in use, a very large proportion of which existing spindl'es v'cnnpris'e 'tubular bolsters; and in accordance with this object of myinvention I have provided a type of gear to receive whichsuch 'bolsteramay be adapted by simply *redu'cing fthe exteri'or of the bolster to a cylindric'al surface serving'as the axialb'earing'for 'the gear, *and I prefer to form this surface 'ofi'thebolstery "and the -axial bore of-th'e gear, of 'such rel'ative dimensions as 'to leave 'room for a sleeveor bushi'ng Vmember surro'unding'the neck vof the bolster, between it and the'gear. This enables'me to'adopt agear of standard exteriorand interior 'dilameteig regardless of the dianfieterjof the bolster, 'using afilling bushing of suitablefthiclmess therebetween, with 'an easy slipl fit. Such na -bushi'ng may be used advantageously 'f'to *afford Za 'Com-v pound bearing, if left 'free toyrotate relativc'lyfto the *bollster a'nldithe gear=or Whirl, distributin'g the ifric'tion, 'and in accordance with another important object of my invention ythis'bu'shin'g may form'ipart of a stopmotion, the provision of which may be desii'ed in certain'operations, to 'lpermit disconnection of the spi'ndl'efrom lthe gearbeforethe spindl'e islgrarsped for its removal from thef'bol'ste'r, or =if ;for 1any reason it is desired vthat-t'he spindle should be left at rest in'the lbolsterwhilefthe gear 'continfues t'o rotate. 'The preferred form of such a stop-motion, utiflizing`` a' bushing o'f'the* type thus 'descrifb'ed, comprises a device v'which wardly a cavity'to be entered by a colllar, or

other suitable portion of'the spindle blade, of suitable Contour.v 'Such contoui` may be provided for conveniently lby-slabbingoff the perip'hery 'of the spin'dle or its collar at a plurality of regions, Vsay three, and forming the interior of the bushing cup for enga'gement with the substantially triangular shoulder'thus formed. The cup may be formed for this purpose witha solid rim surrounding a cavity corresponding exactly Vwith 'the sDindle collar, `or may have a circ'ular'rim p'rovided'with Springs located at zchords corresponding to the flat oortions of the spindle collar. The latter construction may 'begadopted as a convenient means to permit the operator to grasp the spindle, 01'

the bobbin there'on, 'while the'sam'e is ro- T'taitingl'a-t' top speed, in which event the bushing and its cup will Continue to rotate, the resiliency of the springs'permitting the cup to turn around 'the spindle collar. Ordin'a"rily,-`however, 4|I vprefer to utilize for the disconnection` of the spindleblade from the geanthe same means which is ``employed to cause Vco-rotative "engageinent of 'the cup with the' spind'le 'cell-ar, or rather'to position the bushing for such co-rotafti've engagement, and *for t'h'isx'purpose I may provide an' a'rin eXtendifn-g from 'an' actuiator 'prefera'bly taking the form of =a verticalrod which,

when i't is ra-ised, v'causes'th'e varm to engage any suitable device, and Iprefe'r `ato'provide means suitable'to enable the' opera-'torto disconne'ot the spi'n'dl'e Y and gear readily, such means preferably taking the, form of a spring mounte'd on the r-ai'l-supporting structure, and operable by the 'kneefof lthe 1,

operator, -so=that the ;hands will be left free for'manipulationfioflthe'bobbin.

ln'accbrdance with another object of notable=impo'rtan.ce, I Eprovide means for the automatic operation of lthe spring, and for the c'onsequent release'of 'the Operating rod and 'diseonnection of 'the spind'le bladeV and whirl, upon failure vof ;the thread'between the rolls and spindle, :this being accomplished 'preferab'ly by fa -magnetacting on the springand working i-n ian electrical' circuit construeted 'and arran'ged tobe closed by a detectloriwhich is nop'erated by failure of the thread or passage of a 'knot or uneven porton theref.

The 'return 'of the bushing -and cup for engagement with, and operation of, the spindle blade, may conveniently Ibe accomplished by pulling upward the 'Operating rod, a suitable handle vbeing preferably provided for that purpose, and the spring and rod being so constructed that the spring will automatically catch in a notch on the rod when the bushing cup is in position to be engaged with the spindle collar, and as the spindle is movable co-axially with respect to the bushing, the latter may be raised to a suitable position before the spindle blade is dropped into place, and the rotation of the blade will be initiated by frictional engagement between those portions of the bolster cup andV spindle collar which do not match, until the speed of the spindle bla-de approximates that of the bushing cup, when the weight of the spindle will cause it to drop, and seat itself, the foot of the spindle resting von the usual step preferably, provided near the bottom of the bolster, which supports the weight of the spindle, so that there is no strain on the gear. The latter is connected to the spindle blade by the cup, through the medium of the prongs extending therebetween, the latter being preferably slightly resilient, and the various connections being made easy to permit fiexibility of the spindle. In order to augment the initial frictional engagement between the spindle blade and cup, the spindle collar may have a downwardly projecting extension, preferably tapered slightly, to enter a corresponding surface in the bore of the cup or bushing, the contact between this tapered extension and its seat Operating to bring up the speed of the spindle blade gradually but quickly to the point where the blade will seat itself for positive co-rotation with the cup, bushing and gear under the action of the band.

The various features of my invention will be illustrated and described fully in the accompanying drawings and specification, and pointed out in the claims. I

In the drawings, Figure 1 is a view in side elevation of a spinning spindle, shown in place upon a rail, and in the construction of which my improvements have been einbodied; Fig. 2 is a similar view, in front elevation with the parts only partly assembled, the rail andpart of the bolster being broken away; Fig. 3 is a view, similar to Fig. 1, of a modified form of spindle; Fig. 4 shows the parts of the spindle illustrated in Fig. 3, partly assembled; Fig. 5 is a fragmentary detail view showing in plan the spindle collar separately; Fig. 6 is a plan View of the bushing, shown separately; and Fig. 7 is a view similar to Fig. 6 of a modified form of bushing cup; while Fig. 8 is a view in front elevation of another modification of spindle, and gear, part of the latter being broken away to show interior construction.

n the embodiment of my invention selected for illustration and description to enable ready and complete understanding of my improvements, the part designated by the reference numeral 1 is a spindle whirl, which may be of any suitable material and construction, the preferred p form thereof herein illustrated being shown as a gear having an annular hub provided with helical teeth 2 of which there may be any suitable number, having the pitch and lead which may be found appropriate to the exigencies of the particular installation. ance with one feature of my invention, this gear or whirl is preferably driven by a suitable band 3 having apertures with inclined walls a to receive the teethy 2, the latter being engaged with the walls 4, which act upon lengthwise movement of the bandA 3 to rotate the gear. i

The gear or whirl 1 may be connected in any suitable manner with the rotatable spindle member which is to receive the material to be treated, as for example the blade having a portion 6 to enter a suitable bolster 7, and as one convenient form of construction to couple the gear or whirl 1 therewith I have shown coupling devices S which in the instance illustrated comprise a plurality of prongs extending` between the whirl 1 and a collar 9 with which the spindle blade is provided, and which may be of any suitable material and construction. The collar 9 is shown, by way of example, as a separately forined disk driven upon the portion 6 of the spindle blade until it reaches the larger bobbin-receiving portion 5, the latter forming a shoulder at the region 10, against which the part 9 may be seated.

In accordance with my invention the prongs 8 may be of considerable extent, oreferably of slightly resilient material, such as steel Wire, and secured to one of the members of the spindle forming a unitary structure therewith and being presented in position for engagement with the other rotatable member, this being accomplished by driving the prongs 8 into sockets in the upper surface of the whirl l, whence they project upward into position to enter holes 11 in the part 9, as illustrated in Fig. l, which shows the parts of the spindle in operative position. The number of these prongs and their spacing may be varied as desired, and they may be placed at regular or irrcgular distanccs apart. n Fig. 8 have shown three prongs at irregular distances. In l `ig. 3, l have indicated three prongs at regular distances, 120 degrees apart.

ln accordance with a valuable :feature of my invention, prefer to construct the whirl or gear 1 so that it can be used as a standard driving member for a wide variety of spindles, utilizing the bolster of tubular shape which is common to much the larger portion of spindles in use throughout the world and. of which the inner construction with the adaptation of the bolster to service In accordas a bearing member Vfor my improved whirl or gear. Any suitable structure of bolster may be utilized, and as one convenient form of such bolster 'l Vhave shown at 7 a bolster having a threaded portion 18 with fiange 19 and nut 20 vto permit attaehment ofthe bolster to a suitable rail 21, the rail-being shown as having an aperture 22 suiiciently large to permit adjustment of the threaded stud 18 therein if desired, yand this bolster is shown as having also an upwardly extended neck I'Tpreferably cylindrical'in contour and preferably somewhat .smaller in diameter than the tapered portion of the bolster below Ithe part 17 so that a :zshoulder is formed at 27. i

n accordance with my invention in its preferred form the whirl orgear 1 finds its bearing upon this neck 17, and inaccordance with my preferred construction of'the gear, the inner bore 23 of tl1e1latter ispreferably made of considerable diameter so that it can be fitted readily to bolsters having neclrs of various diameters without necessitating alteration of the gear .after it has been hardened, as 1 prefer to construct the gear of steel and harden it before it is put into use.

Existing bolsters may readily be adapted to receive the gear by turning downtheir peripheries to a uniform diameter as shown at 17, and if the neck is too narrow for a proper bearing fit of the gear thereupon, a bushing 21k or sleeve 2-1: may be interposed between the bolster neck and the gear, and may be left loosely therebetween, rotatable independently of both whirl or gear and the bolster, thus constituting a compound bearing member and distributing the friction. Ordinarily the length of the bearing afforded by this bushing or by the bolster neck 17 will be sufiicient to permit one-eighth to a quarter of an inch play of the whirl or gear 1 along the aXis of the spindle, so that if there should be any slight Variation in the horizontal position of the band the gear can follow the band without interfering with the co-rotative movement of the geai` and spindle blade, this play being also permitted, as heretofore described, by the apertures 11 in the spindle part 9, wherein the prongs S are free to move up and down.. For this purpose the bushing 24 is shown as somewhat longer than the gear 1, as seen clearly in Fig. 1. i

rl`he form of spindle above described may be used to notable advantage in situations` where there is but little need for frequcnt removal of the spindle blade 5, but it will be noticed that there is nothing to interfere with such removal on occasion, and if desired means may be provided to utilize the bushing member 2a as means to disconnect the spindle blade 5 from the gear 1 to permit ready removal of the spindle by hand or to permit the spindle blade to come to rest Vforany purpose desired .Any suitable device may be utilized .to accomplish such stoppage and'by way of example of one suchlconstniction, I have shown in Fig. 1 a -device comprising a bell cranlr level' 25 mountedipivotally at 26 upon a suitable support277'which may be connected to the rail and secured in place thereupon by the nut 28,1this leverhaving van` arm 29 which takes into a=groove 30 in a `collar'31ipreferably forming part of the bushing 24,and when the'lever2'5 is moved -toward'the left, manually or-by any suitable Vmeans (not shown) the farml29 will be lifted, carrying with it the vcollarz'3l and bushing 24; untiltheupper end' of the bushing is engaged withthepart 9 onzthespindle blade and lifts-.the spindle blade until the part 9 is clear of the prongs 8,'after which .the spindle blade 5 may be gralsped with impunity by the operator, either before or after it comes to rest, the whirl or f gear 1 and bushing 211 being free to rotatewiththe band 3 as before, such rotation offthe-'bushing being permitted by the locationl of the arm 29in lthe-groove 30.

yAs long yas the bushing is held'inits upwardpo'sition, the spindle will be prevented from co-rotative engagement with the prongs '8,'but as soon yas the lever 25 is relea'sed the weight of the spindle blade 5 and its related-parts, such as the bobbin (not shown) will press the bushing 24: downward and :the prongs '8 may enter the holes 11, the foot 32 of the spindle will seat itself on the step 33 (see Fig. 1) and the spindle blade 5 will be driven by 4the band 3 through the medium of the whirl `orgear 1, prongs and'spindle part 9.

The reference ynumeral 3-1 designates a detenttoihold theilever 25 in adjusted position.

The connection between the spindle blade and whirl or gear may be varied to meet the Veyigencies of particular installations, and I have shown in Figs. 3 and 4 a modified form of such a connection, difiiering from` the vconnection just described somewhat in details of construction, and Vprincipallyinthat'the normal position assumed by the coupling parts under the influence of gravity, is one of disconnection of the spindle blade vfrom the whirl or gear, so that a simple touch of the mechanism is sufficicnt toeffect the stoppage of the spindle blade. This result may be secured by any suitable construction embodying my invention, and by way of example of such construction I have shown a bushing 240 interposed between a gear 100 and the neck 170 of a bolster substantially in the manner described with reference to the bushing 24, gear 1 and necl: 17 of the bolster 7 already described and shown in Figs. l and 2, the bushing 2-0 being however connected, preferably, for

Constant: rotation' with the gear 100 by prongs entering holes 110 in the material of the gear, theholes and prongs being of suitable length to ,permit a considerable play of the bushing along the axis of the spindle without interfering with corotatio'n of the bushing and gear under' the action of the band 800 whose aperture walls 400 are engaged actuatively with the helical teeth 200 of the gear, the band being moved longitudinally in a manner common to endless driving bandsby a suitable source of power not shown.

I have shown the prongs 80 as mounted in a cup-like member 81 formed integrally, or as a unitary structure with the bushing 24 the cavity 82 of thecup being ofa contour suitable to receive, and be engaged actuatively with, a suitable part of the spindle blade 50, such a partrbeing provided for by the collar best seen in Fig. 4, the collar being driven upon the portion 60 of the spindle blade until it reaches a shoulder 101 formediby the larger portion 50. of the spindle blade which is to receive the bobbin in-the usual inanner.

Any convenient contour may be adopted for the above purpose, and that selected for illustration, by way of example, is best seen in Figs. 5 and 6, the collar 90 beino` of generally circular periphery slabbed o at suitable regions as shown at 91 to form fiats, of

which there are three in number in the instance illustrated, while the cavity 82 of the cup 81 has a similarly triangular shape,witl1 flats 83 to be engaged with the similar' fiats 91 upon'the collar 90 when the latter enters the cavity S2.

Normally, when the spinning frame containing the spindles is in operation,the parts are as shown in Fig. '3, the bushing 240 being supported with its cup 81 engaged with the collar 90, and with its prongs 80 engaged with the gear 100, the latter' being driven by the band 300 to actuate the spindlc blade 50, and to maintain .this position of the parts, any suitable structure may be provided.

For thesake of permitting ready disconnection of the parts, I have shown as one convenient device for holding the Operating parts in connected relationan arm 290* secured by a set screw 291 in adjusted position upon an Operating rod 250, the latter being mounted for a vertical movement in a bracket 270 secured by a bolt 280 to a part 211 of the rail structure 210, and the arm 290 is shown as having a portion 291 embracing the stud 170 and engaged with the bushing 240 at 241 near the lower end of the bushing, so that the bushing can be moved up and down by the arm 290, 'when vthe latter is operated by the rod 250, suitable means such as the handle 251 being preferably provided to permit manual operation of the rod, and means being provided also preferably to hold the rod positively in its upper position, with the Operating parts in operative connection, as illustrated in Fig. 1.

Any suitable form of holder for this purpose may be utilized, and as one convenient holding device I have illustrated a spring 252 having a portion 253 extending into position to be engaged with the rod 250 which may conveniently have a notch 254 at that portion of the rod where the spring portion 253 is located, and I prefer to have the spring 252 of sufficient extent to carry it ldown along the rail portion 211 to a region about opposte the knee of the operator, where it may be secured by suitable fastening means such as the screw 255, so that a simple, quick pressure of the knee against the spi-ino' 252 will push the spring part 253 inward, clearing it from'the notch 254, and the rod 250 and arm 290, thus released, will permit the bushing 240 and its cup 81 to fall of their own weight. Should it be desired to operate the bushing positively the handle 251 may readily be grasped and thrust downward, but ordinarily the operation of the spring 252 by the knee of the operator will suflice, leaving the operatoris hands free for manipulation of the bobbin.

Instead of the manual operation of the stop-motion, or in addition thereto, suitable means may be provided to operate the same automatically, and as one convenient form of device for eifecting this, I have shown an electrical magnet 256 bolted at 257 to the rail member 211, and connected by suitable conductors 258 to any suitable form of detector not shown) normally in engagement with the thread passing from the usual thread guide, a break'age of the thread permitting the detector to drop, completing a circuit which operates the magnet 256, the latter drawing the spring 252 toward it and withdrawing the spring part 258 from the notch 254, releasing the rod 250, arm

290, bushing 240 and cup 81, so that the latter drops away from the collar 90 and the spindle blade 50 is allowed to come to rest.

V''lCo start the spindle blade again, after the thread has been pieced up and the detector replaced in position to break the circuit, the handle 251 is grasped and raised until the spring part 253 is engaged with the notch 254 thus lifting the armv 290 and bushing 240 until the upper surface of the cup 81 contacts with the lower surface of the collar 90, it being understood that the cup 81 is being rotatedV rapidly under the influence of the prongs 80 and gear driven by the band 300.

The collar 90 will not enter the cavity 82 of the cup at once, and the spindle blade 50, is raised` slightly within the bolster 170, its

collar resti-ng 'on'the cup 81, Vbut the'friction of. the collar and cup -gradfually but quicklybrings the spindle blade. to approximately the same speed as the cup, and then the weight of the spindle blade causes the spindle to seat itself with its collar in the cup and the fiats 83 ofv the cup inl driving cngagement with the fiats 91 of the collar. This initial frictionalV engagement is augmented preferably by providing a tapered extension 92. below the collar. 90, and by providing` the' cup with. a' tapered. seat l84: to receive the extension 92,.the loose entrance of the spindle blade prior to-its seating inducing preliminary frictional. engagement between the surfaces 92,. 84m1 additionx-to the frictional. engagementy between the bottom of the collar 90 and. the' soli-d riml portions of. the cup. adjacent. to theV fiats 83,. so

vthat the SpindleV blade quickl'y picks up speed' and is seated inz a: few seconds, after which the spindle is actuatedposit'ivel'y and continuouslyV by the band 3.00;

In Fig. 71' have shown a modified. form of connection'in which a bushing' 241 has a cup 181? the ri'm of which is= circular, and which is provided with Springs 183 extended along chords of the circular periphery corresponding to the fiats 91 uponithe collar 90 of the spindle blade 50 shown in Eig. 4, these Springs 183 taking the place,.and` fulfilling thefunctions.. of. the fi'ats88` upon the cup 81 shown: in: Fig; 6,. with this difference of operation, that when the Springs 183 are used, the spindle blade 50 may be gra-spod and held manually and: withdrawn if desired, the Springs 183 giving, so that the cup 181 continues to rotate' under the action of prongs- 180' similar` to the pron-gs 80 shown in Fig'. 3. as actuated by the gear 100, the bushing; 2M7 being capable of sub- Stitution in every respect for the bushing 24:0,fexcept for the ,yiel'dzing action; of the Springs 183, the latter beingA sufiiciently stiff to insure positive actuation.y of the spindle blade 50 by their engagement with' the fiats 91 on the collar 90;

In Fig. 8 I: have illustrated av modified form of coupling device in which prongs-88 of steel wire about an inch long are fiXed: in a. collar 99 upon a Spi-ndle 55= seated. in a bolster 77',.tl51e'prongs being presentedv downward for engagement with a gear or whifrl 111 having helicaxl teeth to v be operated by an apertured driving, band of thetype shown in Figs. 1 and 3, and' the' gear fizndiing its bearing on the'neck 177 of the bolster, which extends up into the: axial bore 230 of the gear, the latter having recesses L1.02 to receive the pron'gs' 88,.. being deep enough toz perm-'it some axial play of the gear 111 relatifvely to the spindle blade 55.

prefer' to' provide the gear' 111V with wear-p'liates 3:16'` securcd to the' gear by' suitable fastening means, such as: thev screws 317,

and the wear-plates will preferably have recesses or. Vapertu-res 11041 to receive the couple prongs 88; These annular'wear-plates may be punched out' of hardened. steel plates and serve to resifstA the friction of the ends of the prongs 8-8 during the initial period of frietional engagement after the spindle blade 55 is dropped into the bolster 77, and until the acceleration'of the spindle blade permits the prongsl to enter. the openings 402, and the spindle blade 55 toseat itself in the bolster 77 for poS-itive co-rotation with. the gear 111. In order that this engagement may not occur with: excessi've torque, I may space the prongs 88'.v at. irregular distances, as indicated, delfaying the positive engagement.

The face-plates-Sl may serve= the additional purposeof. retainingmembers to hold iniplace the annuli228upon which the teeth 222 are pre-ferably formed,. as in the instance illustrated in Fig. 8, and if desired other fastening means may be furnished for these annuli, such as the peripheral screws 22.4.

The reference numeral 302l indicates a bobbin, which. may have notches 303 to recei've lugs 1.99 on the collar 99, thus insuring positive rotation of' the bobbin with the spindle 55,V gear 111 and band.

Having illustrated andV described my invention. thus fully and. suitable means by which the same may be carried. into effect, I wish it tobe understood that I do notlimit myself to the specific structural.` forms and materials selected: for i'llustration and description, nor in general' otherwise than as set fortfh in. the claims read: i'n connection with this specification, and attention is further called. to the f'act that certain portions of the subject matter ill-ustrated hercin` by way of example is` not claimedspecifically herei'n, for the reason. that it forms the subjcct of clazi'ms in my above-mentionedl copending a'pplicationSerial No. 536,681, and

of my co-pending' application: Serial No..

675,403, fiiied'I February 5, 19112, the latter application and my present application, having been divided from my aforesaidx application Ser. No.. 536,681.

That I claiin as new, and d'eSi-re to secureV by' LettersiP-atent off the United States is 1.A spi'ndfle-su-pport and actuati'ng mechanis1n;,comprising av bo'lster havingmeans to receive a s-pindle and support the same rotat'ablfy; and a rotatable member m'ounted on' said bolster and rota'tablel cor-aXiall'y with respect to sazisd spindle but.. independently thereof; said member being movable along the aXis of Said: bolster and spindle' during said rotation; su'bstan'tifallyT as described.

2.. A spindldsupportand actuating mechanisin; comprising a bolster havingv means to receivea spind'lze and! support. the' same rotatably'; and a rotatable' member mount'ed on said bolsterand rotatable co-axiazl'l'y with inne* respect to said spindle butindependently thereof; and means to connect said rotatable member and spindle at times to actuate said spindle, said means permitting movement of said rotatable member along the axis of said spindle during co-rotation of the t\vo,,with said sgindle upon its step.

3. A bolster for a spindle, said bolster having a neck to receive'rotatably a ineniber arranged co-axially With respect to said spindie; a meinber rotatable and movable axially upon said bolster independently thereof, and ineans to connect said member at times with said spindle to permit actuation tliereof by said member; substantially as described. p

4. A bolster, having a neck; a rotatable actuating member upon said neck; and a spindle meinber within said neck and movable co-axially into actuative relation With said actuating member, said actuating member being capable of co-axial movements relatively to said spindle when in actuative connection thereWit-h.

5. 111 a spindle; a plurality of co-axially arranged rotatable members, one of said members having ai plurality of prongs, and

another of said members having a part recessedat intervals to be engaged With said prongs, said prongs being of sutficient resiliency to yield slightly at the moment of engagement of said members for positive co-rotation When one has been rotating at a higher speed than the other prior to such positive engagement.

G. In a spindle; a vplurality of co-axially arranged rotatable members, one of said members having a plurality of v unevenly spaced prongs, and another of said members having a face part of wear-resistingmaterial recessed at intervals corresponding With said prongs and to be engaged therewith frictionally, at times and positively at times, said prongs to enter said recesses 'for positive engagement with the Walls thei'eof, and of suiicient length to permit some co-axial play of said members, each Without disturbing the other, or causing uncoupling,

7 n a spindle; a plurality of rotatable members, including a spindle-blade, and one of said members having a part constructed and ai'ranged to be engaged co-actuatively With said other member by frictional contact until acceleration of the speed of the driven member to approximately the speed of the driving member, said members having means to be engaged positively for co-rot-ation of said members at the same speed, and means to permit movements of one of said members relatively to said spindle blade along the axis thereof during co-rotation of said members.

8. In a spindle; coupling means comprising a member With unevenly spaced prongs; and a member with correspondingly spaced recesses to receive said prongs at times to 'permit'positive actuation of one of said l members by' said other member; said mem- 'bers being constructed and arranged for a recess to receive a prong carried by said spindle to permit said spindle and Whirl to be coupled for co-rotation', While permitting axial movements of said parts relatively to each other, during rotation of said spindle in fixed position on its bearing; substantially as described.

10. Coupling means for spind'les of the class described; havinga rotatable blade member and an independently rotatable whirl member arranged co-axially With respect to said blade; said coupling means comprising a resilient prong on one' of said members to be engaged with a. surface upon said other member frictionally during the initiation of rotation of said blade by said whirl, and means to be engaged-positively With saidpi'ong upon acceleration of the speed of said blade, to permit the co-i'otation of said blade by said whii'l at the same speed therewith; substantially as described.

11. A spindle having a prong to be engaged With an aotuating Whirl for rotation thereby, permitting axial movements of said Whirl on said spindle; substantially in the manner and for the purpose set forth.

12. A spindle having a plurality of resilient driving prongs to be engaged With ,a driving Whirl frictionally at times and positively at times.

, 13. A spindle having a plurality of driving prongs spaced unevenly; substantially in the manner and for the purpose set forth.

14. As an article of manufacture; a faceplate for spindle-ivhirls of the class having a rotatable hub With facial recesses to receive a pronged co-acting member; vsaid face-plate lbeing formed of Wear-resisting material to be engaged frictionally With said prongs for initiation 'of co-rotation, and having openings to register with said facial recesses and give access thereto for said prongs; substantially as described.

15. A spindle; comprising a rotatable member to receive the material to be treated; a driving-band; a floating Whirl; and means to connect said Whirl positively With said band and rotatable member respectively to permit actuation of said rotatable member by said band. o

16.V A spindle; comprising a rotatable member to receive the materia-l to be treated; a di'iving-band; a Whirl; means to connect said band and Whirl positively; a

device movable along the aXis of said spindle and relatively thereto havingmeans to connect said whirl with said rotatable member to permit actuation of said rotatable membei' byv said band; and means to permit the operator to effect the disconnection thereof.

17. A spindle; comprising a rotatable member to receive the material to be treated; a driving-band; a whirl; means to connect said band and whirl positively; and a bashing movable along,` the axis of. said spindle and relatively thereto; having means to connect said whirl with said rotatable member to permit actuation of said rotatable member by said band.

18. A; spindle; comprising a rotatable member to receive the material to be treated; a whirl; a driving band; a connecting device for said whirl and rotatable member, said device normally occupying a non-conneetive position relatively to one of said members; and means to hold said device positively in connective position.

19. A spindle; comprising a rotatable member to receive the material to be treated;

Va whirl; a driving band; a connecting` devvice for said whlrl and rotatable member,

said device normally occupying under the influence of gravity, a non-connectivebposition relatively to one ofsaid members; and means to sustain said device positively, in connectire position.

20. A spindle; comprising a rotatable member to receive the material to be treated; a whirl member; a cup on one of said members; and a collar on said other member; said cup and collar fitting each other for corotation when engaged; and controlling devices for the engagement and disengagement of said cup and collar.

21. A spindle; comprising` a rotatable member to receive the material to be treated, said member having a collar with a fiat driving surface; a whirl member having a cup with a coperating fiat driving surface; and means to move said cup into position to receive said, collar within the cavity of said cup.

A spindle; comprising a bolster, a member rotatable in said bolster and to receive the material to be treated; a whirl rotatable upon said bolster'; a coupling bushing interposed between said bolster and whirl'; and coupling prongs extending between and connecting said bushing,` and whirl, said prongs being mountedon one of said members andl entering sockets in said other member, said bushing` being movable axially relatively to said other members, while stilll connected for co-rotation with said whirl, into positions to connect and disconnect said whirl and rotatable materialreceiving member.

28. A spindle; comprising a bolster, a memberirotat'able in` said bolster and to receive the material to be treated; a whirl rotatable uponV said bolster; a coupling bushing` interposed between said bolster and whirl; and coupling` prongs extending between and conneeting` said bushing` and whirl, said prongs being mounted on one of said members and entering sockets in said other' member, said bushing being` movable axially relatively to said other members, while still connected for co-rotation with said whirl, into positions to connect and disconneet said whirl and rotatable materialreceivinlg` member; and means to move said bushing axially, saidV means including an arm to be engaged with said bushing, a rod upon which said arm is mounted, and a spring` catch to hold said rod in' position, said spring being located in position to be operated by the knee of the operator, to effect change in the position of said bushing.

Signed at New York in the county and State of INew York this. 28th day of November, 1910.

HENRY L. BROVVN.

litnesses ALEXANDER C. PRoUDFrr, JOHN B. VVnN'rwoRTI-I.

Copies of this patent may be obtained= for five cents each, by addressng the Commissoner of Patents,

Washington, 1). 0. 

